Finding the Fourth Proportional to 116,518.96, 174,667.71 and 74,280.48

Step by Step Solution

1. Step 1: Write the proportion equation
   116,518.96 : 174,667.71 = 74,280.48 : x
2. Step 2: Convert to fraction form
   116,518.96/174,667.71 = 74,280.48/x
3. Step 3: Cross multiply
   116,518.96x = 174,667.71 × 74,280.48
4. Step 4: Simplify right side
   116,518.96x = 12,974,401,339.30
5. Step 5: Solve for x
   x = 12,974,401,339.30/116,518.96
6. Step 6: Final answer
   x = 111,350.13